31986265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 42854400

約数和(自身を除く): 10868135

約数列:

[1, 5, 17, 31, 61, 85, 155, 199, 305, 527, 995, 1037, 1891, 2635, 3383, 5185, 6169, 9455, 12139, 16915, 30845, 32147, 60695, 104873, 160735, 206363, 376309, 524365, 1031815, 1881545, 6397253, 31986265]

約数ペア:

[(1, 31986265), (5, 6397253), (17, 1881545), (31, 1031815), (61, 524365), (85, 376309), (155, 206363), (199, 160735), (305, 104873), (527, 60695), (995, 32147), (1037, 30845), (1891, 16915), (2635, 12139), (3383, 9455), (5185, 6169)]